<?php
/**
 * Controller is the customized base controller class.
 * All controller classes for this application should extend from this base class.
 */
class Controller extends CController
{
	/**
	 * @var string the default layout for the controller view. Defaults to '//layouts/column1',
	 * meaning using a single column layout. See 'protected/views/layouts/column1.php'.
	 */
	public $layout='//layouts/main';
	/**
	 * @var array context menu items. This property will be assigned to {@link CMenu::items}.
	 */
	public $menu=array();
	/**
	 * @var array the breadcrumbs of the current page. The value of this property will
	 * be assigned to {@link CBreadcrumbs::links}. Please refer to {@link CBreadcrumbs::links}
	 * for more details on how to specify this property.
	 */
	public $breadcrumbs=array();
	

	public $adHtml = null;

	public function init() {
		#$content = Yii::app()->db->createCommand()->from('{{ad}}')->select('content')->queryScalar();
		#$this->adHtml = $content;
	}

	public function setEtag() {
		if (false === ($etag = Yii::app()->cache->get('etag'))) {
			$etag = time();
			Yii::app()->cache->set('etag', $etag, 3000);
		}
		return $etag;
	}

	public function setLastModified() {
		if (false === ($lastModified = Yii::app()->cache->get('lastModified'))) {
			$lastModified = time();
			Yii::app()->cache->set('lastModified', $lastModified, 3000);
		}
		return $lastModified;
	}
	
}
